diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 8520802..f1523b8 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -561,16 +561,16 @@
 			     char *newkey, u8 newkeylen)
 {
 	/* Add key to the list */
-	struct tcp6_md5sig_key *key;
+	struct tcp_md5sig_key *key;
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct tcp6_md5sig_key *keys;
 
-	key = (struct tcp6_md5sig_key*) tcp_v6_md5_do_lookup(sk, peer);
+	key = tcp_v6_md5_do_lookup(sk, peer);
 	if (key) {
 		/* modify existing entry - just update that one */
-		kfree(key->base.key);
-		key->base.key = newkey;
-		key->base.keylen = newkeylen;
+		kfree(key->key);
+		key->key = newkey;
+		key->keylen = newkeylen;
 	} else {
 		/* reallocate new list if current one is full. */
 		if (!tp->md5sig_info) {